Making ammonia (R-717) and CO2 (R-744) work together to
create industrial refrigeration formed the basis of several technical papers and exhibit booth discussions at the most recent conference and exhibition of the International Institute of Ammonia Refrigeration (IIAR) Conference.
David Grong, the new chairman of the International Institute of Ammonia Refrigeration (IIAR), talks about his company's past and the association's future.
An unsafe attitude toward workplace practices can have just as much influence on a person's behavior as a positive attitude - except for the worse. The article looks at six phrases that can reflect an unsafe attitude, potentially leading to workplace woe.
Manufacturers, educational institutions, and associations with close ties to the ammonia refrigeration industry had the chance to show their wares and talk shop with close to 1,000 attendees during the most recent International Institute of Ammonia Refrigeration (IIAR) Conference.
A recent issue of the Japan Air Conditioning Journal (JARN) has given those in the HVACR industry a feel for worldwide use of chiller technology and what types of chillers are being used.
Chiller technology continues to reflect customer needs. Consider two recent projects. In one, a water-cooled screw chiller running on R-134a was installed in an office building renovation. In the other, an air-cooled chiller featuring scroll compressors and running on R-410A was chosen for a college project.
The 2006 HVACR and Plumbing Instructor Workshop was a big success as 270-plus teachers attended sessions and discussed topics such as the latest classroom challenges, instructional techniques, and technology updates.
Low-pressure controls are used on many medium-temperature refrigeration systems to control case temperature. In order for this type of control to work properly, both its cut-in and differential pressure settings must be set correctly.
The presence of seven representatives of the China refrigeration industry at the International Institute of Ammonia Refrigeration (IIAR) Conference was emblematic of IIAR's "continuing efforts toward advocating ammonia refrigeration in the huge emerging market of China," according to Bill Bowles the 2005-2006 IIAR chair.
"The days of burying your head in the sand and saying, ‘None of my customers use the Web,' are gone," said David Squires, a 25-year veteran HVAC contractor and Online Access president. Squires suggested that consumers are not merely Internet browsers, but the new stealth customers.